package com.ebeitech.library.util.view;

import android.app.Activity;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

/**
 * Created by alice on 2018/6/5.
 */

public class LightStatusBarUtils {
	public static void setLightStatusBar(Activity activity, boolean dark) {
		switch (RomUtils.getLightStatausBarAvailableRomType()) {
			case RomUtils.AvailableRomType.MIUI:
				setMIUILightStatusBar(activity, dark);
				break;

			case RomUtils.AvailableRomType.FLYME:
				setFlymeLightStatusBar(activity, dark);
				break;

			case RomUtils.AvailableRomType.ANDROID_NATIVE:
				setAndroidNativeLightStatusBar(activity, dark);
				break;

			case RomUtils.AvailableRomType.NA:
				// N/A do nothing
				break;
		}
	}

	private static boolean setMIUILightStatusBar(Activity activity, boolean darkmode) {
		Class<? extends Window> clazz = activity.getWindow().getClass();
		try {
			int darkModeFlag = 0;
			Class<?> layoutParams = Class.forName("android.view.MiuiWindowManager$LayoutParams");
			Field field = layoutParams.getField("EXTRA_FLAG_STATUS_BAR_DARK_MODE");
			darkModeFlag = field.getInt(layoutParams);
			Method extraFlagField = clazz.getMethod("setExtraFlags", int.class, int.class);
			extraFlagField.invoke(activity.getWindow(), darkmode ? darkModeFlag : 0, darkModeFlag);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
		}
		return false;
	}

	private static boolean setFlymeLightStatusBar(Activity activity, boolean dark) {
		boolean result = false;
		if (activity != null) {
			try {
				WindowManager.LayoutParams lp = activity.getWindow().getAttributes();
				Field darkFlag = WindowManager.LayoutParams.class
						.getDeclaredField("MEIZU_FLAG_DARK_STATUS_BAR_ICON");
				Field meizuFlags = WindowManager.LayoutParams.class
						.getDeclaredField("meizuFlags");
				darkFlag.setAccessible(true);
				meizuFlags.setAccessible(true);
				int bit = darkFlag.getInt(null);
				int value = meizuFlags.getInt(lp);
				if (dark) {
					value |= bit;
				} else {
					value &= ~bit;
				}
				meizuFlags.setInt(lp, value);
				activity.getWindow().setAttributes(lp);
				result = true;
			} catch (Exception e) {
			}
		}
		return result;
	}

	private static void setAndroidNativeLightStatusBar(Activity activity, boolean dark) {
		View decor = activity.getWindow().getDecorView();
		if (dark) {
			decor.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
		} else {
			// We want to change tint color to white again.
			// You can also record the flags in advance so that you can turn UI back completely if
			// you have set other flags before, such as translucent or full screen.
			decor.setSystemUiVisibility(0);
		}
	}

}
